Dec 5 (Reuters) - Canada's main stock index rose on Wednesday in a broad-based rally led by shares of energy companies as oil recouped some of its early losses, while the Canadian dollar weakened after the Bank of Canada held borrowing costs steady in an interest rate meeting.

* All of the index's 11 major sectors were higher, led by the energy sector, which climbed 2.3 percent as oil prices rose before a meeting of the world's biggest exporters to discuss cutting output to help shore up prices and curb excess supply.